RFR: Fix problem with finding a collapsed parent

[Robin Westberg]

Hi all,

Please review this change that fixes a problem with finding the correct parent for a review comment, if the parent was combined with another comment before it was sent.

Best regards,
Robin

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Commits:
 - b5f94dc6: Fix problem with finding a collapsed parent

  Stats: 12 lines in 2 files changed: 10 ins; 0 del; 2 mod
Changes: https://git.openjdk.java.net/skara/pull/152/files
 Webrev: https://webrevs.openjdk.java.net/skara/152/webrev.00
  Patch: https://git.openjdk.java.net/skara/pull/152.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/152/head:pull/152

PR: https://git.openjdk.java.net/skara/pull/152